Home / 796,139.28-1,098,622.44-438,443.28

Finding the Fourth Proportional to 796,139.28, 1,098,622.44 and 438,443.28

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Solution

The fourth proportional to 796,139.28, 1,098,622.44 and 438,443.28 is: 605,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,139.28 : 1,098,622.44 = 438,443.28 : x
  2. Step 2: Convert to fraction form
    796,139.28/1,098,622.44 = 438,443.28/x
  3. Step 3: Cross multiply
    796,139.28x = 1,098,622.44 × 438,443.28
  4. Step 4: Simplify right side
    796,139.28x = 481,683,626,075.20
  5. Step 5: Solve for x
    x = 481,683,626,075.20/796,139.28
  6. Step 6: Final answer
    x = 605,024.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.